My Hero Academia Chapter 417 continues the intense battle between Deku and Shigaraki, focusing on their pasts and the redemption of Nana Shimura. Deku breaks through Shigaraki's finger armor, transferring the former users of One For All except Nana. Inside Shigaraki's consciousness, Deku faces manifestations of Stain, Redestro, and Overhaul before reaching the Shimura household. Nana apologizes to Deku for not being able to transfer and they witness Shigaraki's traumatic origins. Kotaro reveals his resentment towards Nana while young Tenko is being abused.
Nana apologizes to Kotaro and Tenko before fading away. The chapter ends with Deku meeting Tenko for the first time. Overall, Chapter 417 is a compelling installment in the final fight, with Nana's redemption standing out. However, Deku's transfer of the Vestiges may have consequences for his Quirk.